Tributary office now looked upon as opportunity for service and for increasing revenue; three items that must be taken into consideration; switchboard, operating practice and toll lines. Before Ill. Telephone Assn.
The toll tributary office problem
Telephony
Telephony ; 99 , n 24
1930
3 pages
1 Fig.
Article (Journal)
English
© Metadata Copyright Elsevier B. V. All rights reserved.
Toll work at the tributary office
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